Just got it via UPS today. Was super excited, so it was half charged when I first turned it on. It has less than 15% battery now, j/w whats the BEST way to make sure this battery is maximized for long term use? Should I let it drain completly before charging? OR Should I just charge what's left and charge for the next 10 hours? (over night) OR Should I charge more than 10 hours the first time? I guess I can charge over night, then unplug, go to work and continue charging if necessary. Am I recommended NOT to use my phone while its charging?? Any other tips in charging or training the battery?